Nom du corpus

Corpus Systématique Animale

Titre du document

Phenotype-dependent arrival time and its consequences in a migratory bird

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Springer (journals)
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Mots-clés d'auteur
  • Arrival time
  • Hirundo rustica
  • Cost-benefit analysis
  • Phenotypic quality
  • Environmental conditions
Nom du fichier dans la ressource
  • Anders Pape Møller
  • Department of Zoology, Uppsala University, Villavägen 9, S-752 36, Uppsala, Sweden

Arrival times for migratory animals can be viewed as the result of an optimization process of costs and benefits of early arrival, and when the cost and benefit functions of early arrival depend on phenotypic quality, this will result in phenotype-dependent optimal arrival times. This hypothesis was tested for males of the migratory and sexually size-dimorphic barn swallow Hirundo rustica. The major cost of early arrival is poor environmental conditions which resulted in mortality of short-tailed early-arriving males in one year. The major benefits of early arrival are higher mating success, enhanced reproductive success, improved recruitment rates for offspring, and enhanced quality of the mate acquired. Annual variation in male arrival date is related to weather conditions at the breeding grounds, but also to some extent to weather conditions in the African winter quarters. Individual variation in arrival time can be explained by phenotype-dependent cost and benefit functions of early arrival. Male barn swallows with long tail ornaments arrived earlier than short-tailed males. The costs of early arrival should be particularly high under poor environmental conditions and lead to a stronger negative relationship between arrival date and phenotypic quality in years with poor environmental conditions. This prediction was confirmed by a stronger negative relationship between male tail length and date of arrival in years when arrival was relatively late because of poor weather. A female preference for early-arriving males may result in acquisition of good genes for optimal migratory behaviour, if migratory direction and extent have a genetic basis as shown in a number of different bird species.

Catégories Science-Metrix
  • 1 - health sciences
  • 2 - psychology & cognitive sciences
  • 3 - behavioral science & comparative psychology
Catégories INIST
  • 1 - sciences appliquees, technologies et medecines
  • 2 - sciences biologiques et medicales
  • 3 - sciences biologiques fondamentales et appliquees. psychologie
Catégories Scopus
  • 1 - Life Sciences ; 2 - Agricultural and Biological Sciences ; 3 - Animal Science and Zoology
  • 1 - Life Sciences ; 2 - Agricultural and Biological Sciences ; 3 - Ecology, Evolution, Behavior and Systematics
Catégories WoS
  • 1 - science ; 2 - zoology
  • 1 - science ; 2 - ecology
  • 1 - science ; 2 - behavioral sciences
Identifiant ISTEX

Behavioral Ecology and Sociobiology

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